Check if conflict detection is still needed

[jan-vcapgemini]

Check if we still need a check for a conflict between a very old template configuration (context.xml in CobiGen_Templates and context.xml in src/main/templates)

https://github.com/devonfw/cobigen/blob/217c8a464f27b965c3153ee30de575c5c2be3d56/cobigen/cobigen-core/src/main/java/com/devonfw/cobigen/impl/config/reader/ContextConfigurationReader.java#L270-L286